CPU-Z - CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
WSUS Offline Update - Using "WSUS Offline Update" (formerly known as "ct offline update" or "DIY...
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
WHDownloader - A lightweight and easy to use Downloader which allows you to find and apply the latest Microsoft Windows updates....
AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
Microsoft Update Catalog - Official Microsoft Update Catalog download site.